396121569020 has 12 divisors (see below), whose sum is σ = 831855294984. Its totient is φ = 158448627600.

The previous prime is 396121569017. The next prime is 396121569023. The reversal of 396121569020 is 20965121693.

It is an interprime number because it is at equal distance from previous prime (396121569017) and next prime (396121569023).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396121569023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9903039206 + ... + 9903039245.

It is an arithmetic number, because the mean of its divisors is an integer number (69321274582).

Almost surely, 2^396121569020 is an apocalyptic number.

It is an amenable number.

396121569020 is an abundant number, since it is smaller than the sum of its proper divisors (435733725964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

396121569020 is a wasteful number, since it uses less digits than its factorization.

396121569020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19806078460 (or 19806078458 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 44.

The spelling of 396121569020 in words is "three hundred ninety-six billion, one hundred twenty-one million, five hundred sixty-nine thousand, twenty".